Patent US2483109A successfully refreshed from Google Patents.
US2483109A
Expired / Lapsed
US
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Lifting device or elevator
Assignee: Individual
•
Filing: 1946-08-30
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Granted: 1949-09-27
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Expires: 1966-08-30
Abstract
No abstract record available.
Inventors
- 👤 Chester J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:14
CPC Classifications
B; B66; B66F; B66F19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US874553A
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US1018260A
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US1101190A
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US1688507A
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US2187283A
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US2136255A
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US2268793A
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US2419145A
Cited
US2396368A
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US2441750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |